Search found 8 matches

by pyroevil
Mon Nov 11, 2013 6:42 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Microwave kiln: Aluminum casting
Replies: 3
Views: 6501

Re: Microwave kiln: Aluminum casting

Yes , a lot of safety most be take!
Hot liquid metal in the face ( or any place on the body ) can't be cool.
by pyroevil
Wed Nov 06, 2013 7:39 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Microwave kiln: Aluminum casting
Replies: 3
Views: 6501

Microwave kiln: Aluminum casting

Hi all ! This last day I check how I can melt aluminum for casting some part toi build a stirling engine. I found this three interesting video : Some people melting aluminum in microwave oven with it's own method ( not explained): [BBvideo 425,350]http://www.youtube.com/watch?v=aUW4kg_VaZA[/BBvideo]...
by pyroevil
Mon Nov 04, 2013 9:53 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Alpha type engines built from recycled materials
Replies: 9
Views: 9484

Re: Alpha type engines built from recycled materials

really nice engine!
You use glass syringes for pistons and you cover it with copper pipe for the look ?
How did you weld you copper and metal , it's look like you use metal epoxy ( like JB Weld ).
by pyroevil
Sun Nov 03, 2013 7:56 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Simple graphite/epoxy piston
Replies: 7
Views: 8229

Re: Simple graphite/epoxy piston

if I remember ... not really. After cured I put it in a cold place ( freezer ) for one or two hours and I heat a bit the copper ( mold ). The temperature difference make it released.
by pyroevil
Fri Nov 01, 2013 6:09 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Simple graphite/epoxy piston
Replies: 7
Views: 8229

Re: Simple graphite/epoxy piston

https://fbcdn-photos-b-a.akamaihd.net/hphotos-ak-frc1/s720x720/5148_10152144688380312_2069910557_n.jpg https://fbcdn-photos-c-a.akamaihd.net/hphotos-ak-prn2/s720x720/1391731_10152144688290312_680961516_n.jpg One piston is really smooth and well done I think ( except about the bottom hole not center...
by pyroevil
Fri Nov 01, 2013 1:49 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Simple graphite/epoxy piston
Replies: 7
Views: 8229

Re: Simple graphite/epoxy piston

no sorry , like I said I never build a entire engine. Graphite-Epoxy feel more smoother on touch and seem to slide better in cylinder. But no accurate prove that's is better then epoxy only piston. :)

Photo coming soon if I found this old piston in my garage :P
by pyroevil
Thu Oct 31, 2013 8:02 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Simple graphite/epoxy piston
Replies: 7
Views: 8229

Simple graphite/epoxy piston

Hi everybody ! It's my first post here. I not build a entire stirling engine for now but I think about it for many years. I'm a bit to busy. I'm starting 3-4 years ago to cast epoxy/graphite piston and I want to share this idea. I don't know if somebody try it but what I do is really simple: - Just ...
by pyroevil
Wed Oct 30, 2013 12:06 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: New Members PLEASE read! - OR, having problems registering, being deactivated
Replies: 516
Views: 678262

Re: "Hi" We are new here!

Hi all !

I'm new here and really interesting from many years to build my own stirling engine !
I think I'm ready now and be here to collect info from experienced builders and later share my experience on the forum !